Brand from Japan: Kao. Detergent erythritol is in the gap where the bristles of toothbrush do not reach easily.A mouthwash that cleanses the mouth by facilitating penetration and dispersion of bacterial aggregates.Two fungicides (cetyl pyridinium chloride + triclosan) kill the germs.Disinfectant coat for a long time at every corner of adult's mouth which is easy to get dirty.It reduces the formation of new bacterial aggregates and prevents gingivitis and bad breath.How to use:After brushing your teeth, add about 10 ml (half a measuring cup) to the mouth, rinse for about 20 to 30 seconds, and then spit.It is effective to use it before bedtime.